A Groovy script to indy-enable a Groovy SDK, sans auto-applying the --indy flag in the GROOVY_OPTS.

PrepareIndyDist.groovy

// For moving jars in order to take advantage of Groovy's indy feature
def groovyHome = args.length == 0 ? new File('.') : new File(args[0])
def libDir = new File(groovyHome, 'lib')
def indyDir = new File(groovyHome, 'indy')

if (!groovyHome.exists() || !libDir.exists() || !indyDir.exists() || !new File(groovyHome, 'bin').exists()) {
    println "$groovyHome does not appear to be a valid Groovy Home"
    System.exit(0)
}

println "Backing up existing groovy jars in $libDir..."
libDir.eachFileMatch(~/groovy\-.*\.jar/) { jar ->
    jar.renameTo(new File(libDir, jar.name + '.off'))
}

println "Copying indy groovy jars from $indyDir to $libDir..."
new AntBuilder().copy(todir:libDir) {
    fileset(dir:indyDir) {
        include(name:'**/*-indy.jar')
    }
}

println "Renaming indy groovy jars..."
libDir.eachFileMatch(~/.*indy\.jar/) { jar ->
    jar.renameTo(new File(libDir, jar.name - '-indy'))
}

println "$groovyHome SDK is now indy-ready."